491986000721013

Names of 491986000721013

• Cardinal: 491986000721013 can be written as Four hundred ninety-one trillion, nine hundred eighty-six billion, seven hundred twenty-one thousand and thirteen.

Scientific notation

• Scientific notation: 4.91986000721013 × 10¹⁴

Factors of 491986000721013

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 507

Divisors of 491986000721013

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 17 51 289 487 867 1461 4913 8279 14739 24837 83521 140743 237169 250563 422229 711507 1419857 2392631 4031873 4259571 7177893 12095619 40674727 68541841 115501303 122024181 205625523 346503909 691470359 1165211297 1963522151 2074411077 3495633891 5890566453 19808592049 33379876567 59425776147 100139629701 336746064833 567457901639 1010238194499 1702373704917 9646784327863 28940352983589 163995333573671 491986000721013
• Sum of all divisors σ(n): 698414254312320
• Sum of proper divisors (its aliquot sum) s(n): 206428253591307
• 491986000721013 is a deficient number, because the sum of its proper divisors (206428253591307) is less than itself. Its deficiency is 285557747129706

Bases of 491986000721013

• Binary: 1101111110111010101101010110011101011010001110101₂
• Hexadecimal: 0x1BF756ACEB475
• Base-36: 4UE78Y4KTX

Squares and roots of 491986000721013

• 491986000721013 squared (491986000721013²) is 242050224905456604155859746169
• 491986000721013 cubed (491986000721013³) is 119085322124857331661982795610930537164549197
• The square root of 491986000721013 is 22180757.4424547773
• The cube root of 491986000721013 is 78943.7189653787

Scales and comparisons

• 491,986,000,721,013 seconds is equal to 15,643,633 years, 3 days, 18 hours, 3 minutes, 33 seconds.
• To count from 1 to 491,986,000,721,013 would take you about thirty-nine million, one hundred nine thousand and eighty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 491986000721013 cubic inches would be around 6578.6 feet tall.

Recreational maths with 491986000721013

• 491986000721013 backwards is 310127000689194
• 491986000721013 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 491986000721013's digits is 51
• More coming soon!